RANKING · 2024 ACS · 66 SHOWN OF 66

Highest Korean population share, Iowa counties

Iowa counties ranked by the share of all residents who are Korean (2023 American Community Survey). A concentration measure: Korean residents as a percentage of total population. This list covers the 66 counties in Iowa that qualify, ranked against each other statewide.

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SAME RANKING BYCities States Metros

RELATEDLargest Chinese population Highest Chinese population share Largest Taiwanese population Highest Taiwanese population share Largest Hmong population Highest Hmong population share

RANKPLACESTATEPOPKOREAN SHAREVS 2000

01Story County, IAIA101,2911.1%–

02Poweshiek County, IAIA18,3680.7%–

03Johnson County, IAIA160,0440.7%–

04Union County, IAIA11,8290.6%–

05Decatur County, IAIA7,6550.5%–

06Webster County, IAIA36,8380.5%–

07Shelby County, IAIA11,6890.5%–

08Humboldt County, IAIA9,4090.5%–

09Clay County, IAIA16,2020.4%–

10Black Hawk County, IAIA131,5320.3%–

11Scott County, IAIA175,2590.3%–

12Kossuth County, IAIA14,3220.3%–

13Marion County, IAIA34,1920.3%–

14Butler County, IAIA14,0490.3%–

15Dallas County, IAIA118,4570.3%–

16Polk County, IAIA516,5460.2%–

17Appanoose County, IAIA12,0770.2%–

18Ida County, IAIA6,7770.2%–

19Guthrie County, IAIA10,7820.2%–

20Greene County, IAIA8,6580.2%–

21Harrison County, IAIA14,6230.2%–

22Mitchell County, IAIA10,6500.2%–

23Buena Vista County, IAIA20,4490.2%–

24Sac County, IAIA9,5250.2%–

25Bremer County, IAIA25,2960.2%–

26Linn County, IAIA232,0280.2%–

27Clinton County, IAIA46,0020.1%–

28Madison County, IAIA17,2700.1%–

29Benton County, IAIA26,0040.1%–

30Cedar County, IAIA18,3590.1%–

31Carroll County, IAIA20,3030.1%–

32Howard County, IAIA9,4150.1%–

33Pottawattamie County, IAIA92,9960.1%–

34Woodbury County, IAIA106,6490.1%–

35Wright County, IAIA12,8010.1%–

36Warren County, IAIA57,3310.1%–

37Hardin County, IAIA16,4550.1%–

38Tama County, IAIA16,7960.1%–

39Osceola County, IAIA5,9800.1%–

40Mahaska County, IAIA21,8800.1%–

41Floyd County, IAIA14,9010.1%–

42Dickinson County, IAIA18,0770.1%–

43Cerro Gordo County, IAIA42,3720.1%–

44Washington County, IAIA22,6670.1%–

45Sioux County, IAIA36,7740.1%–

46Dubuque County, IAIA99,3810.1%–

47Lyon County, IAIA12,3540.1%–

48Marshall County, IAIA39,8900.1%–

49Mills County, IAIA14,7930.1%–

50Emmet County, IAIA9,1070.1%–

51Audubon County, IAIA5,5090.1%–

52Franklin County, IAIA9,8680.1%–

53O'Brien County, IAIA14,2200.0%–

54Grundy County, IAIA12,3610.0%–

55Winnebago County, IAIA10,2510.0%–

56Muscatine County, IAIA41,8530.0%–

57Des Moines County, IAIA38,0770.0%–

58Lee County, IAIA32,3060.0%–

59Page County, IAIA14,8560.0%–

60Fayette County, IAIA19,0470.0%–

61Calhoun County, IAIA9,5620.0%–

62Van Buren County, IAIA7,1310.0%–

63Davis County, IAIA9,2300.0%–

64Winneshiek County, IAIA19,7330.0%–

65Henry County, IAIA19,3490.0%–

66Jasper County, IAIA38,1530.0%–

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UPDATED 2026-06-06 · DATA: US CENSUS BUREAU ACS 5-YEAR ESTIMATES